Let
cos x=7/18
x=arc cos (7/18)-----> using a calculator-------> x=67.11°-----> x=1.17 radians
the answer is
x=67.11° or x=1.17 radians
For the series 3/2 + 3/4 + 3/8 + 3/16 + ...the sum will be calculated by the formula
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<h3>What is number series?</h3>
When the numbers are arranged in a series with some logic then it is called as the number series.
here we have a series:

The sum of the series will be given as:


Hence for the series 3/2 + 3/4 + 3/8 + 3/16 + ...the sum will be calculated by the formula 
To know more about number series follow
brainly.com/question/6561461
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Answer:
x2+2.9=13.2
Step-by-step explanation:
Answer:
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Answer:
doesn't it give you the angles for each letter? If that is the case then it would be 33
Step-by-step explanation:
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